iLink 3 Order Cancel Request

Sent by client system to cancel an existing order; an order may be cancelled by referencing the Order ID. 

Bolded red text indicates support for EBS Market.

35=F

Tag

Name

Binary Type

Binary Length

Req

Enumeration

Description

37

OrderID

uInt64NULL

8

N



Globally unique identifier for each order assigned by the exchange.

Required for BrokerTec.

Optional for F&O and EBS.

1505

PartyDetailsListReqID

uInt64

8

Y



The unique identifier of the Party Details Definition Request Acknowledgment associated with this message; this is the value submitted on the inbound message.

For pre-registered messages:

  • Unique ID from Party Details Definition Request Acknowledgment message

  • PartyDetailsListRequestID≠0.

For on-demand messages:

  • If not registered beforehand through iLink then Party Details Definition Request message will be sent along with the business message and will immediately precede it

  • PartyDetailsListRequestID=0.

1028

ManualOrderIndicator

ManualOrdIndReq

1

Y

  • 0=Automated

  • 1=Manual

Indicates if the message was initially received manually.

'0' indicates the message was generated by automated trading logic.

iLink messages containing a value other than '0' or '1' in this tag will be rejected.

This tag is subject to Rule 536.B.2 Electronic Audit Trail Requirements for Electronic Order Routing/Front-End Systems.

https://www.cmegroup.com/rulebook/files/cme-group-Rule-536-B-Tag1028.pdf

9726

SeqNum

uInt32

4

Y



Sequence number assigned to this message.

The max value is 999999999 which is 1 short of 1 billion.

5392

SenderID

String20Req

20

Y



For futures and options markets: represents Operator ID.

For EBS and fixed income markets: represents the Entering Trader. For EBS this value must be 3 characters.

This value represents the individual or team submitting the message and is subject to registration requirements and character limits as required by Rule 576 and the Advisory below: 

https://www.cmegroup.com/rulebook/files/cme-group-Rule-576.pdf

In FirmSoft and Global Command Center queries for order status and cancellations, this value must be exact.

11

CIOrdID

String20Req

20

Y



Unique identifier for Order as assigned by client system. Uniqueness must be guaranteed within a single trading day.

Firms, particularly those which electronically submit multi-day orders, trade globally, or throughout market close periods, should ensure uniqueness across days.

2422

OrderRequestID

uInt64

8

Y



OrderRequestID used to identify a request to enter, modify, or delete an order. Echoed back on the Execution Report.

5297

SendingTimeEpoch

uInt64

8

Y



Time when the message is sent. 64-bit integer expressing the number of nano seconds since midnight January 1, 1970.

9537

Location

String5Req

5

Y



ISO identifier of the physical location of the individual or team head trader identified by the tag 5392 (SenderID) in the message.

The first two bytes as per ISO 3166-1, identify the country (e.g., JP = Japan, CN = China).

The next three bytes indicate a comma-delimited state or province code (e.g., CA = California, QC = Quebec).

For valid values, refer to ftp.cmegroup.com/fix/coo

Market Regulation requires only the submission of the two first characters of tag 9537-Location for all countries with the exception of Canada. For Canada, the 5 bytes including the province code must be submitted.

Note: this field is optional for EBS Market and eFIX Matching Service instruments.

48

SecurityID

Int32

4

Y



Security ID as defined in the market data Security Definition message.

54

Side

SideReq

1

Y

  • Side=1 (Buy)

  • Side=2 (Sell)

Side of the order to be cancelled.

9373

LiquidityFlag

BooleanNULL

1

N

  • 0=False

  • 1=True

Indicates if an order was submitted for market making obligation as required for MIFID.

Applicable only for EU BrokerTec and EBS MiFID.

9937

OrigOrderUser

String8

8

N



Represents the original SenderComp for whom orders are to be cancelled.




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